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refactor(tokens-repository): dissect use_mnemonic_recovery_key()

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This commit is contained in:
Houkime 2022-12-12 14:06:24 +00:00
parent 9a49067e53
commit 671203e990
1 changed files with 16 additions and 26 deletions
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42
selfprivacy_api/repositories/tokens/json_tokens_repository.py
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@ -102,41 +102,31 @@ class JsonTokensRepository(AbstractTokensRepository):
self, mnemonic_phrase: str, device_name: str
) -> Token:
"""Use the mnemonic recovery key and create a new token with the given name"""
recovery_key = self.get_recovery_key()
if recovery_key is None:
if not self.is_recovery_key_valid():
raise RecoveryKeyNotFound("Recovery key not found")
if not recovery_key.is_valid():
recovery_hex_key = self.get_recovery_key().key
if not self._assert_mnemonic(recovery_hex_key, mnemonic_phrase):
raise RecoveryKeyNotFound("Recovery key not found")
recovery_token = bytes.fromhex(recovery_key.key)
new_token = self.create_token(device_name=device_name)
self._decrement_recovery_token()
return new_token
def _decrement_recovery_token(self):
if self.is_recovery_key_valid():
with WriteUserData(UserDataFiles.TOKENS) as tokens:
tokens["recovery_token"]["uses_left"] -= 1
def _assert_mnemonic(self, hex_key: str, mnemonic_phrase: str):
recovery_token = bytes.fromhex(hex_key)
if not Mnemonic(language="english").check(mnemonic_phrase):
raise InvalidMnemonic("Phrase is not mnemonic!")
phrase_bytes = Mnemonic(language="english").to_entropy(mnemonic_phrase)
if phrase_bytes != recovery_token:
raise RecoveryKeyNotFound("Recovery key not found")
new_token = Token.generate(device_name=device_name)
with WriteUserData(UserDataFiles.TOKENS) as tokens:
tokens["tokens"].append(
{
"token": new_token.token,
"name": new_token.device_name,
"date": new_token.created_at.strftime(DATETIME_FORMAT),
}
)
if "recovery_token" in tokens:
if (
"uses_left" in tokens["recovery_token"]
and tokens["recovery_token"]["uses_left"] is not None
):
tokens["recovery_token"]["uses_left"] -= 1
return new_token
return phrase_bytes == recovery_token
def get_new_device_key(self) -> NewDeviceKey:
"""Creates and returns the new device key"""